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Finding the Fourth Proportional to 102,361.96, 153,195.90 and 62,943.88

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Solution

The fourth proportional to 102,361.96, 153,195.90 and 62,943.88 is: 94,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,361.96 : 153,195.90 = 62,943.88 : x
  2. Step 2: Convert to fraction form
    102,361.96/153,195.90 = 62,943.88/x
  3. Step 3: Cross multiply
    102,361.96x = 153,195.90 × 62,943.88
  4. Step 4: Simplify right side
    102,361.96x = 9,642,744,346.09
  5. Step 5: Solve for x
    x = 9,642,744,346.09/102,361.96
  6. Step 6: Final answer
    x = 94,202.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.